com.bigdata.journal
Class ResourceLockService

java.lang.Object
  com.bigdata.journal.ResourceLockService

All Implemented Interfaces:

IResourceLockService

public final class ResourceLockService
extends Object
implements IResourceLockService

An implementation using NamedLocks suitable for within JVM locking.

Version:

$Id: ResourceLockService.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

Constructor Summary

ResourceLockService()

Method Summary

IResourceLock	acquireLock(String namespace) Acquire an exclusive lock on the named resource.
IResourceLock	acquireLock(String namespace, long timeout) Acquire an exclusive lock the named resource.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ResourceLockService

public ResourceLockService()

Method Detail

acquireLock

public IResourceLock acquireLock(String namespace)

Description copied from interface: IResourceLockService

Acquire an exclusive lock on the named resource. The request will block until the lock is available.

Specified by:

acquireLock in interface IResourceLockService

Parameters:

namespace - The named resource.

Returns:

The lock.

acquireLock

public IResourceLock acquireLock(String namespace,
                                 long timeout)
                          throws InterruptedException,
                                 TimeoutException

Description copied from interface: IResourceLockService

Acquire an exclusive lock the named resource. The request will block until the lock is available or the timeout expires.

Specified by:

acquireLock in interface IResourceLockService

Parameters:

namespace - The named resource.

timeout - Timeout in milliseconds for the request -or- Long.MAX_VALUE to wait forever.

Returns:

The lock.

Throws:

InterruptedException

TimeoutException